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<span class="lineno" id="3">     3  </span> * com.sekati.math.Range
<span class="lineno" id="4">     4  </span> * @version 1.0.3
<span class="lineno" id="5">     5  </span> * @author jason m horwitz | sekati.com
<span class="lineno" id="6">     6  </span> * Copyright (C) 2007  jason m horwitz, Sekat LLC. All Rights Reserved.
<span class="lineno" id="7">     7  </span> * Released under the MIT License: http://www.opensource.org/licenses/mit-license.php
<span class="lineno" id="8">     8  </span> */</span>
<span class="lineno" id="9">     9  </span> 
<span class="lineno" id="10">    10  </span><span class="comment doc">/**
<span class="lineno" id="11">    11  </span> * Number Range Utilities.
<span class="lineno" id="12">    12  </span> */</span>
<span class="lineno" id="13">    13  </span><span class="key">class</span> com.sekati.math.Range {
<span class="lineno" id="14">    14  </span><span class="lineno" id="15">    15  </span>	<span class="comment doc">/**
<span class="lineno" id="16">    16  </span>	 * Check if a number is in range.
<span class="lineno" id="17">    17  </span>	 * @param n (Number)
<span class="lineno" id="18">    18  </span>	 * @param min (Number)
<span class="lineno" id="19">    19  </span>	 * @param max (Number)
<span class="lineno" id="20">    20  </span>	 * @param blacklist (Array) optional.
<span class="lineno" id="21">    21  </span>	 * @return Boolean
<span class="lineno" id="22">    22  </span>	 */</span>
<span class="lineno" id="23">    23  </span>	<span class="key">public</span> <span class="key">static</span> <span class="key">function</span> isInRange(n:Number, min:Number, max:Number, blacklist:Array):Boolean {	
<span class="lineno" id="24">    24  </span>		<span class="key">if</span> (n == <span class="key">null</span> || <span class="key">typeof</span>(n) != <span class="str_const">"number"</span>) <span class="key">return</span> <span class="key">false</span>;
<span class="lineno" id="25">    25  </span>		<span class="key">if</span>(blacklist.length &gt; <span class="num_const">0</span>) {
<span class="lineno" id="26">    26  </span>			<span class="key">for</span>(<span class="key">var</span> i:String <span class="key">in</span> blacklist) <span class="key">if</span>(n == blacklist[i]) <span class="key">return</span> <span class="key">false</span>;
<span class="lineno" id="27">    27  </span>		}
<span class="lineno" id="28">    28  </span>		<span class="key">return</span> (n &gt;= min &amp;&amp; n &lt;= max);
<span class="lineno" id="29">    29  </span>	}
<span class="lineno" id="30">    30  </span><span class="lineno" id="31">    31  </span>	<span class="comment doc">/**
<span class="lineno" id="32">    32  </span>	 * Returns a set of random numbers inside a specific range (unique numbers is optional)
<span class="lineno" id="33">    33  </span>	 * @param min (Number)
<span class="lineno" id="34">    34  </span>	 * @param max (Number)
<span class="lineno" id="35">    35  </span>	 * @param count (Number)
<span class="lineno" id="36">    36  </span>	 * @param unique (Boolean)
<span class="lineno" id="37">    37  </span>	 * @return Array
<span class="lineno" id="38">    38  </span>	 */</span>
<span class="lineno" id="39">    39  </span>	<span class="key">public</span> <span class="key">static</span> <span class="key">function</span> RandRangeSet(min:Number, max:Number, count:Number, unique:Boolean):Array {
<span class="lineno" id="40">    40  </span>		<span class="key">var</span> rnds:Array = <span class="key">new</span> Array( );
<span class="lineno" id="41">    41  </span>		<span class="key">if</span> (unique &amp;&amp; count &lt;= max - min + <span class="num_const">1</span>) {
<span class="lineno" id="42">    42  </span>			<span class="comment">//unique</span>
<span class="lineno" id="43">    43  </span>			<span class="comment">// create num range array</span>
<span class="lineno" id="44">    44  </span>			<span class="key">var</span> nums:Array = <span class="key">new</span> Array( );
<span class="lineno" id="45">    45  </span>			<span class="key">for</span> (<span class="key">var</span> i:Number = min; i &lt;= max ; i++) {
<span class="lineno" id="46">    46  </span>				nums.push( i );
<span class="lineno" id="47">    47  </span>			}
<span class="lineno" id="48">    48  </span>			<span class="key">for</span> (<span class="key">var</span> j:Number = <span class="num_const">1</span>; j &lt;= count ; j++) {
<span class="lineno" id="49">    49  </span>				<span class="comment">// random number</span>
<span class="lineno" id="50">    50  </span>				<span class="key">var</span> rn:Number = Math.floor( Math.random( ) * nums.length );
<span class="lineno" id="51">    51  </span>				rnds.push( nums[rn] );
<span class="lineno" id="52">    52  </span>				nums.splice( rn, <span class="num_const">1</span> );
<span class="lineno" id="53">    53  </span>			}
<span class="lineno" id="54">    54  </span>		} <span class="key">else</span> {
<span class="lineno" id="55">    55  </span>			<span class="comment">//non unique</span>
<span class="lineno" id="56">    56  </span>			<span class="key">for</span> (<span class="key">var</span> k:Number = <span class="num_const">1</span>; k &lt;= count ; k++) {
<span class="lineno" id="57">    57  </span>				rnds.push( randRangeInt( min, max ) );
<span class="lineno" id="58">    58  </span>			}
<span class="lineno" id="59">    59  </span>		}
<span class="lineno" id="60">    60  </span>		<span class="key">return</span> rnds;
<span class="lineno" id="61">    61  </span>	}
<span class="lineno" id="62">    62  </span><span class="lineno" id="63">    63  </span>	<span class="comment doc">/**
<span class="lineno" id="64">    64  </span>	 * Returns a random float number within a given range
<span class="lineno" id="65">    65  </span>	 * @param min (Number)
<span class="lineno" id="66">    66  </span>	 * @param max (Number)
<span class="lineno" id="67">    67  </span>	 * @return Number
<span class="lineno" id="68">    68  </span>	 */</span>
<span class="lineno" id="69">    69  </span>	<span class="key">public</span> <span class="key">static</span> <span class="key">function</span> randRangeFloat(min:Number, max:Number):Number {
<span class="lineno" id="70">    70  </span>		<span class="key">return</span> Math.random( ) * (max - min) + min;
<span class="lineno" id="71">    71  </span>	}
<span class="lineno" id="72">    72  </span><span class="lineno" id="73">    73  </span>	<span class="comment doc">/**
<span class="lineno" id="74">    74  </span>	 * Returns a random int number within a given range
<span class="lineno" id="75">    75  </span>	 * @param min (Number)
<span class="lineno" id="76">    76  </span>	 * @param max (Number)
<span class="lineno" id="77">    77  </span>	 * @return Number
<span class="lineno" id="78">    78  </span>	 */</span>
<span class="lineno" id="79">    79  </span>	<span class="key">public</span> <span class="key">static</span> <span class="key">function</span> randRangeInt(min:Number, max:Number):Number {
<span class="lineno" id="80">    80  </span>		<span class="key">return</span> Math.floor( Math.random( ) * (max - min + <span class="num_const">1</span>) + min );
<span class="lineno" id="81">    81  </span>	}		
<span class="lineno" id="82">    82  </span><span class="lineno" id="83">    83  </span>	<span class="comment doc">/**
<span class="lineno" id="84">    84  </span>	 * Resolve the number inside the range. If outside the range the nearest boundary value will be returned.
<span class="lineno" id="85">    85  </span>	 * @param val (Number)
<span class="lineno" id="86">    86  </span>	 * @param min (Number)
<span class="lineno" id="87">    87  </span>	 * @param max (Number)
<span class="lineno" id="88">    88  </span>	 * @return Number
<span class="lineno" id="89">    89  </span>	 */</span>
<span class="lineno" id="90">    90  </span>	<span class="key">public</span> <span class="key">static</span> <span class="key">function</span> resolve(val:Number, min:Number, max:Number):Number {
<span class="lineno" id="91">    91  </span>		<span class="key">return</span> Math.max( Math.min( val, max ), min );	
<span class="lineno" id="92">    92  </span>	}	
<span class="lineno" id="93">    93  </span><span class="lineno" id="94">    94  </span>	<span class="key">private</span> <span class="key">function</span> Range() {
<span class="lineno" id="95">    95  </span>	}
<span class="lineno" id="96">    96  </span>}</pre><ul class="main_nav" id="main_nav"><li><a href="../../../overview-summary.html" title="Overview of SASAPI" class="button">Overview</a></li><li><a href="package-summary.html" title="Overview of package com.sekati.math" class="button">Package</a></li><li><a href="Range.html" title="Detail of com.sekati.math.Range API" class="button">Class</a></li><li><span class="button nav_current">Source</span></li><li><a href="../../../index-files/index.html" title="Alpabetical index of types and members" class="button">Index</a></li></ul><div class="footer"><a href="http://www.badgers-in-foil.co.uk/projects/as2api/" title="ActionScript 2 API Documentation Generator">as2api</a></div></body></html>